Home / 14,622.21-21,930.57-4,761.87

Finding the Fourth Proportional to 14,622.21, 21,930.57 and 4,761.87

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Solution

The fourth proportional to 14,622.21, 21,930.57 and 4,761.87 is: 7,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.21 : 21,930.57 = 4,761.87 : x
  2. Step 2: Convert to fraction form
    14,622.21/21,930.57 = 4,761.87/x
  3. Step 3: Cross multiply
    14,622.21x = 21,930.57 × 4,761.87
  4. Step 4: Simplify right side
    14,622.21x = 104,430,523.37
  5. Step 5: Solve for x
    x = 104,430,523.37/14,622.21
  6. Step 6: Final answer
    x = 7,141.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.